Add coverage autogenerated files to .gitignore
Add coverage autogenerated files to .gitignore

Add .coverage.integration.*, .coverage.integration, .coverage.unit, and htmlcov to .gitignore. These are autogenerated on make tests.

nzlosh/st2,StackStorm/st2,nzlosh/st2,nzlosh/st2,StackStorm/st2,StackStorm/st2,Plexxi/st2,Plexxi/st2,Plexxi/st2,nzlosh/st2,StackStorm/st2,Plexxi/st2